CN204186543U - A kind of Solar dynamic power system - Google Patents
A kind of Solar dynamic power system Download PDFInfo
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- CN204186543U CN204186543U CN201420509729.7U CN201420509729U CN204186543U CN 204186543 U CN204186543 U CN 204186543U CN 201420509729 U CN201420509729 U CN 201420509729U CN 204186543 U CN204186543 U CN 204186543U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
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Abstract
The utility model relates to a kind of Solar dynamic power system, and this system integrates particle heat absorption, heat accumulation, direct contact heat transfer, comprises particle heat absorbing units, particle heat storage units, direct contact type superheated vapor generating unit and steam powered units.In this system work process, first heat accumulation particle absorbs solar radiation heat energy in particle heat absorbing units becomes high-temperature heat-storage particle, be stored in particle heat storage units under high-temperature heat-storage granular normal-pressure, high-temperature heat-storage particle is dropped in the direct contact type superheated vapor generating unit of high pressure by gravity and produces high pressure superheated steam, by inputting steam powered units after surge tank and pressure regulator valve.Solar dynamic power system of the present utility model, the normal pressure Large Copacity that can realize heat energy stores and directly produces high pressure superheated steam for external outputting power, there is the features such as structure is simple, heat accumulation temperature is high, cost is low, be particularly suitable for developing the solar heat power generation system of new generation of high-power, efficient, high temperature and low cost.
Description
Technical field
The utility model relates to middle high-temperature heat accumulation field and solar thermal power field, relate to a kind of Solar dynamic power system, particularly relate to one and integrate particle heat absorption, heat accumulation, direct contact heat transfer, utilize heat accumulation particulate absorbent to assemble Solar dynamic power system that solar radiation heat energy low pressure stored, produced by high-temperature particle and oxygen-removing water direct contact heat transfer the external outputting power of high pressure superheated steam, is specially adapted to the solar energy thermal-power-generating technical field of new generation of high heat storage temperature, high efficiency, low cost.
Background technique
Solar thermal power technology utilizes Jing Chang to reflect and assembles solar radiation to heat heat-absorbing medium, by heat exchanger/vaporizer, the heat that heat-absorbing medium stores is passed to working medium and carrys out external outputting power.In order to solve intermittence and unstability, the raising efficiency of utilization of solar energy in Solar dynamic power system, also realize at night simultaneously or solar radiation heat energy is not enough time continual and steady outputting power, middle high-temperature heat-storage Apparatus and system is used to absorb and storing heat.The main heat-absorbing medium of current Solar dynamic power system comprises air, conduction oil and fuse salt etc., and heat storage material is mainly fuse salt, water/water vapour, high temperature concrete etc., but these materials all exist respective defect in engineer applied process, as lower in conduction oil operating temperature, cost is higher and inflammable; The most high heat storage temperature of high temperature concrete is low, thermal conductivity is low and the position contacted with heat exchange pipeline is easy to crack; The high-vapor-pressure of water limits its heat accumulation temperature; Then there is cost height and the high auxiliary thermal source thermal loss problem caused of fusing point in the fuse salt of successful Application at present, and easily decompose at high temperature.In heat transfer process, great majority design all adopts indirect heat exchange process, not only increases system complexity and equipment cost, simultaneously because heat transfer temperature difference reduces heat exchange efficiency greatly.The efficiency that in these heat accumulations and heat transfer process, Problems existing all limits solar thermal power improves and large-scale promotion application.
Sand grains is very cheap as a kind of cost, ability more than 1000 DEG C high temperature, storage density are high, the simple material of Mass storage structure, and due to these advantages, sand grains has started more and more to be applied in heat accumulation field.But relate to application sand grains carry out in the prior art of heat accumulation, more focus in the design of particle heat absorber, for how, the amount of heat stored in high-temperature particle is delivered to efficiently in acting working medium and then seldom relates to, for the discontinuous high temperature fluidized particle of high granular, how to overcome wearing and tearing, how to ensure stable and high effective operation, how to improve heat exchange efficiency, how overcoming local superheating problem that discrete particle heat exchange brings is a very large challenge, these factors all directly affects the successful Application of high-temperature particle fluidization technique in solar thermal power field and popularization.
Also occurred in prior art utilizing and grain fluidizedly carried out the method that indirect heat exchange produces steam, but there is fluidizing gas in the method power consumption and energy loss are increased, heavy wear and the problem such as heat exchange efficiency is lower.Based on the above-mentioned condition of prior art, particle heat absorption that specialized designs efficient stable runs can be said, the Solar dynamic power system of heat accumulation and direct contact heat transfer is very urgent.
Model utility content
For overcoming the above-mentioned shortcoming and defect of prior art, the utility model aims to provide a kind of Solar dynamic power system, this system collection particle absorbs heat, heat accumulation, direct contact heat transfer is in one, in this system work process, particle absorbs convergence in particle heat absorbing units solar radiation heat energy under normal pressure becomes high-temperature particle, high-temperature particle normal pressure or low pressure gas storage are in the Large Copacity high-temperature particle storage tank of particle heat storage units, in outputting power process, high-temperature particle enters in the direct contact type superheated vapor generating unit of high pressure under gravity, high pressure superheated steam is produced with spray fluid direct contact heat transfer, superheated vapor is by inputting the external outputting power of steam powered units after surge tank and pressure regulator valve, the periodic sequence switch of the pre-storage tank of high/low temperature and one group of High temperature valve ensure that the high-temperature particle in high-pressure overheat steam generator continues input and the lasting discharge of cryogenic particles.The Solar dynamic power system of collection particle of the present utility model heat absorption, heat accumulation and direct contact heat transfer, effectively reduces complexity and the equipment cost of system, substantially increases heat exchange efficiency simultaneously, substantially increase solar thermal power efficiency because heat transfer temperature difference is little.
For solving its technical problem, the technical solution adopted in the utility model is:
A kind of Solar dynamic power system, comprise particle heat absorbing units, particle heat storage units, direct contact type superheated vapor generating unit and steam powered units, it is characterized in that, described particle heat absorbing units, particle heat storage units, direct contact type superheated vapor generating unit are connected successively with steam powered units, wherein
--described particle heat absorbing units comprises at least one solar heat collector, particle heat sink and particle lifting device, and described solar heat collector is in order to heat the heat accumulation particle in described particle heat sink;
--described particle heat storage units comprises at least one high-temperature particle storage tank and a cryogenic particles storage tank;
--described direct contact type superheated vapor generating unit comprises the pre-storage tank of at least one high-temperature particle, the pre-storage tank of cryogenic particles, superheated steam generator and surge tank, wherein, the top of described superheated steam generator arranges the superheated vapor be communicated with described surge tank and exports, and the bottom of described superheated steam generator arranges water-supplying mouth;
--described steam powered units at least comprises a steam turbine connected successively, vapour condenser and oxygen-eliminating device, the steam inlet of described steam turbine is communicated with the steam (vapor) outlet of described surge tank, and the outlet of described oxygen-eliminating device is communicated with the water-supplying mouth of described superheated steam generator;
Described particle heat sink, high-temperature particle storage tank, the pre-storage tank of high-temperature particle, superheated steam generator, the pre-storage tank of cryogenic particles with transport pipeline by particle between cryogenic particles storage tank and be communicated with successively, the particle outlet of described cryogenic particles storage tank is communicated with the article inlet of described particle lifting device, and described particle lifting device is transported in described particle heat sink in order to be promoted by the heat accumulation particle in pre-for described cryogenic particles storage tank.
Solar dynamic power system of the present utility model is when carrying out control design case, transport on pipeline be equipped with control valve at described high-temperature particle storage tank, the pre-storage tank of high-temperature particle, superheated steam generator, particle between the pre-storage tank of cryogenic particles and cryogenic particles storage tank according to actual needs, steam pipework between described superheated steam generator and surge tank is also provided with valve, the steam pipework between described surge tank and steam turbine establishes valve.
Direct contact type superheated vapor generating unit of the present utility model, at least comprises the pre-storage tank of a high-temperature particle, the pre-storage tank of a cryogenic particles, a superheated steam generator and a surge tank.
Preferably, described superheated steam generator comprises at least one particle shunt, spray equipment, Preheating unit, particle retarding device and filtrating equipment, and wherein, described particle shunt is arranged in the article inlet position of described superheated steam generator inner cavity top; Described spray equipment comprises multiple nozzle and is installed on top or the surrounding of described superheated steam generator inner chamber, and the water intake of described spray equipment is communicated with the water outlet of described Preheating unit; Described Preheating unit is arranged in the low temperature heat accumulation particle layer bottom described superheated steam generator, by the outlet of described water-supplying mouth and described oxygen-eliminating device; Described particle retarding device is spatially distributed in the inner chamber of described superheated steam generator; Described filtrating equipment is arranged on superheated vapor outlet and the spray equipment outlet port of described superheated steam generator.
In Solar dynamic power system of the present utility model, in superheated vapor exit position, place arranges filtrating equipment, the solid particle filtering that can will suspend in superheated vapor, exports the superheated vapor after purification.Filtrating equipment is set in spray equipment outlet port, solid heat accumulation Particle Blocking nozzle can be prevented.
Direct contact type superheated vapor generating unit of the present utility model, in the process that superheated vapor occurs, high-temperature heat-storage particle in High Temperature Pre storage tank evenly falls in overheating steam generator through particle shunt, high-pressure liquid working medium by being sprayed onto in overheating steam generator after the preheating pipe preheating in Preheating unit from spray equipment, saturated vapour is produced with high-temperature heat-storage particle direct contact heat transfer, saturated vapour continues to form superheated vapor with high-temperature heat-storage particle exchange heat in the process of moving upward, superheated vapor after filtration device exports pure superheated vapor in surge tank.The particle retarding device slowing down particles fall speed of superheated steam generator inside can further improve heat exchange efficiency, the container of whole direct contact type high-temperature particle fluidization steam vapor generator system and all coated thermal insulation layer of pipeline external.
Preferably, the layout of the pre-storage tank of described high-temperature particle, superheated steam generator, the pre-storage tank of cryogenic particles and cryogenic particles storage tank highly successively reduces.Such structural design, can make heat accumulation particle rely on the driving of self gravitation between the devices and flow.
Further, described high-temperature particle storage tank is arranged in the below of described particle heat sink and the top of the pre-storage tank of described high-temperature particle in the height direction, or, described high-temperature particle storage tank is placed in earth's surface or is embedded in below earth's surface, heat accumulation particle in described particle heat sink flows in described high-temperature particle storage tank under gravity, arrange another particle lifting device between described high-temperature particle storage tank and the pre-storage tank of high-temperature particle, the heat accumulation particle in described high-temperature particle storage tank is promoted by this another particle lifting device and is transported to the pre-storage tank of described high-temperature particle.
Preferably, also arrange a particles circulating lifting device or raise sand device in described particle heat sink, promote the heat accumulation particle bottom described particle heat sink or kick up heat absorption of dropping to the top of particle heat sink again.Its effect is the temperature improving described heat accumulation particle further.
Preferably, described solar heat collector is tower type solar heat-collecting devcie, comprise at least one group of reflector field and solar column, described particle heat sink is placed in the top of described solar column, the pre-storage tank of high-temperature particle, superheated steam generator, the pre-storage tank of cryogenic particles and cryogenic particles storage tank height reduce successively, be placed in solar column side, high-temperature particle storage tank is between particle heat sink and the pre-storage tank of high-temperature particle.
Preferably, described solar heat collector is groove type solar heat-collecting devcie, comprise at least one group of grooved parabolical mirror field, described particle heat sink is pipe type particle heat sink, and described pipe type particle heat sink is arranged on described grooved parabolical mirror field.
Steam powered units of the present utility model, comprises the steam turbine, vapour condenser and the oxygen-eliminating device that are connected successively by pipeline.
Further, the article inlet of the pre-storage tank of described high-temperature particle is communicated with by gas piping with between oxygen-eliminating device.According to control needs, control valve can be set on this gas piping.
Further, the pipeline between described vapour condenser and oxygen-eliminating device arranges condensate pump, the pipeline between described oxygen-eliminating device and the water-supplying mouth of described superheated steam generator is set to water pump.Described steam turbine can do work in order to drive generator and external output power.
Preferably, described steam turbine is back pressure turbine, condensing steam turbine or extraction condensing turbine, and described steam turbine is the multistage turbine of single stage turbine or band reheating pipeline.Preferably, condensed steam type multistage turbine of bleeding is adopted.
Solar dynamic power system of the present utility model, has stable performance, and reliability is high, and efficiency is high, and temperature is high, the feature such as to build and operating cost is cheap, is particularly suitable for the solar heat power generation system of high running temperature of new generation and low cost of electricity-generating.Native system major advantage is: adopt heat accumulation particle to be that working medium can significantly reduce energy storage material cost; The design of the direct contact heat transfer of particle and working-medium water can greatly reduce device volume, number of tubes, reduces thermal loss, reduces pipe wear, avoids local superheating to occur; Large volume normal pressure energy storage in addition, the design of little capacity high pressure heat exchange greatly reduces construction cost, and because high temperature and the pre-storage tank of cryogenic particles do not bear high pressure, high temperature concrete can be applied to building shell of tank, reduce further system building cost.
Accompanying drawing explanation
Fig. 1 is the Solar dynamic power system schematic diagram of the utility model embodiment 1;
Fig. 2 is the Solar dynamic power system schematic diagram of the utility model embodiment 2;
Fig. 3 is the Solar dynamic power system schematic diagram of the utility model embodiment 3;
Fig. 4 is the Solar dynamic power system schematic diagram of the utility model embodiment 4.
Embodiment
For making the purpose of this utility model, technological scheme and advantage clearly understand, to develop simultaneously embodiment referring to accompanying drawing, the utility model is further described.
Embodiment 1
Figure 1 shows that the embodiment 1 of Solar dynamic power system integrating particle heat absorption, heat accumulation, direct contact heat transfer of the present utility model.Solar dynamic power system in this embodiment, comprise particle heat absorbing units, particle heat storage units, direct contact type superheated vapor generating unit and steam powered units, particle heat absorbing units, particle heat storage units, direct contact type superheated vapor generating unit are connected successively with steam powered units.Particle heat absorbing units includes one group of solar energy reflection mirror field 2, a set of particle heat sink 3, solar column 4, particle lifting device 18 and a particles circulating lifting device 19, and particle heat sink 3 is arranged on solar column 4; Particle heat storage units comprises a high-temperature particle storage tank 5 and a cryogenic particles storage tank 10; Direct contact type superheated vapor generating unit comprises two pre-storage tanks 6,7 of high-temperature particle, a superheated steam generator 8, a pre-storage tank of cryogenic particles 9, one group of high-temperature particle switch valve F1 ~ F8 so that system controls, a surge tank 11 and a pressure regulator valve F10; Steam powered units comprises a steam turbine 12, generator 13, vapour condenser 14, oxygen-eliminating device 16, condensate pump 15 and a feed water pump 17.By sequence switch pre-storage tank high temperature shutoff valve F1 ~ F6, can realize continuing, stably superheated vapor export.
Concrete working-flow is:
1. endothermic phase: then the cryogenic particles 801 in cryogenic particles storage tank 10 is promoted to above the particle heat sink 3 at solar column 4 top by particle lifting device 18 topples over, and enters in particle heat sink 3; Particle absorbs the solar radiation heat energy 1 assembled through reflector field 2 and heats up in the process of dropping, and the solid particle after intensification falls to bottom particle heat sink 3.For ensureing that solid particle is heated to predetermined temperature range, the solid particle bottom particle heat sink is promoted to particle heat sink 3 top and again drops by particles circulating lifting device 19 again.
2. the heat accumulation stage: the solid particle 801 reaching predetermined high temperature scope after particle heat sink 3 Inner eycle the drops heat absorption normal pressure in high-temperature particle storage tank 5 that dropped by conveyance conduit is stored, and exports the high-temperature particle stored and can provide thermal source for direct contact type superheated vapor generating unit.According to the change of intensity of solar radiation, the input and output of high-temperature particle can be carried out separately or carry out simultaneously, and the input output speed of particle can be consistent also can be inconsistent.In the night not having solar radiation, particle heat absorbing units is out of service, and high-temperature particle no longer inputs high-temperature particle storage tank 5, and the high-temperature particle be stored in high-temperature particle storage tank 5 is directly output as direct contact type superheated vapor generating unit and provides thermal source.Lower temperature after the heat exchange of particle direct contact type hot steam generating unit is still stored in cryogenic particles storage tank 10 higher than the granular normal-pressure of normal temperature.
3. superheated vapor stage of development:
A. under the state being high pressure in superheated steam generator 8, high temperature shutoff valve F3, F4 above closedown the superheated steam generator 8 and high temperature shutoff valve F5 of below, close high temperature shutoff valve F6 bottom the pre-storage tank 9 of cryogenic particles, open high temperature shutoff valve F1 and F2 above the pre-storage tank 6,7 of high-temperature particle, high-temperature solid particle 801 relies on gravity to drop in the pre-storage tank 6,7 of high-temperature particle to predetermined altitude in high-temperature particle storage tank 5.
B. high temperature shutoff valve F1, the F2 above the pre-storage tank 6,7 of high-temperature particle is closed, working-medium water after deoxygenation pumps into the preheating pipe 805 bottom superheated steam generator 8 through feed water pump 17, and the working-medium water after preheating sprays from spray equipment 804 in superheated steam generator 8.Open high temperature shutoff valve F3 simultaneously, high-temperature particle continues to fall in superheated steam generator 8 in the pre-storage tank 6 of high-temperature particle, the high-temperature particle dropped evenly is dropped after being shunted by particle part flow arrangement 802 in superheated steam generator 8, and slowed down by particle retarding device 803, high-temperature particle and spraying water directly contact generation saturated vapour, saturated vapour forms superheated vapor with the high-temperature particle heat-shift at top further in the process of moving upward, and opens valve F9 and makes steam by outputting in surge tank 11 after filtrating equipment 807 filtration, purification.After the solid particle in the pre-storage tank 6 of high-temperature particle drops completely, close high temperature shutoff valve F3, open high temperature shutoff valve F4, high-temperature particle in the pre-storage tank 7 of high-temperature particle drops, and superheated steam generator 8 is interior produces superheated vapor with spray water droplet contact heat-exchanging, and steam is by outputting in surge tank 11 after filtrating equipment 807 filtration, purification.
C. again toward before High Temperature Pre storage tank 6 or 7 filled high-temperature particle, first open high temperature adjustable valve F7 or F8, by being used for heat-setting water in pre-storage tank inner high voltage superheated vapor input oxygen-eliminating device 16 and removing the oxygen in water of condensation, improve system thermal efficiency simultaneously.
D. when discharging, valve F5 below opened hot steam generator 8, cryogenic particles bottom superheated steam generator 8 to enter in the pre-storage tank of cryogenic particles 9 and to certain position, then high temperature shutoff valve F5 is closed, open high temperature shutoff valve F6, the cryogenic particles in the pre-storage tank of low temperature enters in cryogenic particles storage tank 10.
4. in the Power output stage: at superheated vapor stage of development to discharging phase, open the pressure regulator valve F10 above surge tank 11, high pressure superheated steam enters in turbine 12 and promotes blade rotation acting, and drive electrical generators 13 generates electricity simultaneously.After the superheated vapor of turbine outlet outputs to and condenses in vapour condenser 14, oxygen-eliminating device is pumped into by condensate pump 15, water of condensation in oxygen-eliminating device is by bleeding in the middle of turbine and after pre-storage tank venting heating deoxygenation, inputting in preheating pipe, complete circulation by feed water pump 17 after being pressurizeed.
Embodiment 2
In Generator Set, in order to improve the overall generating efficiency of system, needing the outlet vapor of turbine at different levels to reheat to the temperature close with inlet steam, then inputting the acting of next stage turbine.Figure 2 shows that embodiment 2 of the present utility model; for the improvement of example 1; the steam reheating pipeline 20 of at least one is increased at overheating steam generator 5 top; turbine low exit temperature steam at different levels reenters the high-temperature steam/granulate mixture heat-shift with superheated steam generator 8 top in reheating pipeline, and the high-temperature steam after reheating enters the acting of next stage turbine.
Embodiment 3
Figure 3 shows that embodiment 3 of the present utility model, is the change of example 1.The large volume high-temperature particle storage tank storing a large amount of particle is not arranged on above the pre-storage tank of high-temperature particle, but is embedded in subsurface, and high-temperature particle is risen to above the pre-storage tank 6,7 of high-temperature particle by a particle lifting device 21 and drops.In the system of large generated output, the high-temperature particle flask volume needed will be very huge, after accumulation of heat completes, the quality filling the high-temperature particle storage tank of high-temperature particle is very large, unsettled high-temperature particle storage tank is that engineering-built and operation maintenance cause very large problem, design high-temperature particle storage tank being embedded in underground then avoids the generation of these problems, only increases the power consumption of a part for being promoted by particle.
Embodiment 4
Figure 4 shows that the utility model embodiment 4---groove type solar thermal power system is the change of embodiment 3, adopts groove type solar heat-collecting devcie, grooved parabolical mirror field 2 by solar light focusing to pipe type particle heat sink 3 also heated particle to high temperature.Particle can be driven by strength in heat sink, or groove type paraboloid Jing Chang and particle heat sink 3 have constant slope, and particle relies on gravity landing in heat sink 3.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within scope of the present utility model.
Claims (10)
1. a Solar dynamic power system, comprise particle heat absorbing units, particle heat storage units, direct contact type superheated vapor generating unit and steam powered units, it is characterized in that, described particle heat absorbing units, particle heat storage units, direct contact type superheated vapor generating unit are connected successively with steam powered units, wherein
--described particle heat absorbing units comprises at least one solar heat collector, particle heat sink and particle lifting device, and described solar heat collector is in order to heat the heat accumulation particle in described particle heat sink;
--described particle heat storage units comprises at least one high-temperature particle storage tank and a cryogenic particles storage tank;
--described direct contact type superheated vapor generating unit comprises the pre-storage tank of at least one high-temperature particle, the pre-storage tank of cryogenic particles, superheated steam generator and surge tank, wherein, the top of described superheated steam generator arranges the superheated vapor be communicated with described surge tank and exports, and the bottom of described superheated steam generator arranges water-supplying mouth;
--described steam powered units at least comprises a steam turbine connected successively, vapour condenser and oxygen-eliminating device, the steam inlet of described steam turbine is communicated with the steam (vapor) outlet of described surge tank, and the outlet of described oxygen-eliminating device is communicated with the water-supplying mouth of described superheated steam generator;
Described particle heat sink, high-temperature particle storage tank, the pre-storage tank of high-temperature particle, superheated steam generator, the pre-storage tank of cryogenic particles with transport pipeline by particle between cryogenic particles storage tank and be communicated with successively, the particle outlet of described cryogenic particles storage tank is communicated with the article inlet of described particle lifting device, and described particle lifting device is transported in described particle heat sink in order to be promoted by the heat accumulation particle in pre-for described cryogenic particles storage tank.
2. Solar dynamic power system according to claim 1, it is characterized in that, described superheated steam generator comprises at least one particle shunt, spray equipment, Preheating unit, particle retarding device and filtrating equipment, wherein, described particle shunt is arranged in the article inlet position of described superheated steam generator inner cavity top; Described spray equipment comprises multiple nozzle and is installed on top or the surrounding of described superheated steam generator inner chamber, and the water intake of described spray equipment is communicated with the water outlet of described Preheating unit; Described Preheating unit is arranged in the low temperature heat accumulation particle layer bottom described superheated steam generator, by the outlet of described water-supplying mouth and described oxygen-eliminating device; Described particle retarding device is spatially distributed in the inner chamber of described superheated steam generator; Described filtrating equipment is arranged on superheated vapor outlet and the spray equipment outlet port of described superheated steam generator inner chamber.
3. Solar dynamic power system according to claim 1, is characterized in that, the layout of the pre-storage tank of described high-temperature particle, superheated steam generator, the pre-storage tank of cryogenic particles and cryogenic particles storage tank highly successively reduces.
4. Solar dynamic power system according to claim 3, is characterized in that, described high-temperature particle storage tank is arranged in the below of described particle heat sink and the top of the pre-storage tank of described high-temperature particle in the height direction, or,
Described high-temperature particle storage tank is placed in earth's surface or is embedded in below earth's surface, heat accumulation particle in described particle heat sink flows in described high-temperature particle storage tank under gravity, arrange another particle lifting device between described high-temperature particle storage tank and the pre-storage tank of high-temperature particle, the heat accumulation particle in described high-temperature particle storage tank is promoted by this another particle lifting device and is transported to the pre-storage tank of described high-temperature particle.
5. the Solar dynamic power system according to any one of Claims 1-4, it is characterized in that, also arrange a particles circulating lifting device in described particle heat sink or raise sand device, promote the heat accumulation particle bottom described particle heat sink or kick up heat absorption of dropping to the top of particle heat sink again.
6. the Solar dynamic power system according to any one of Claims 1-4, it is characterized in that, described solar heat collector is tower type solar heat-collecting devcie, comprise at least one group of reflector field and solar column, described particle heat sink is placed in the top of described solar column, the pre-storage tank of high-temperature particle, superheated steam generator, the pre-storage tank of cryogenic particles and cryogenic particles storage tank height reduce successively, be placed in solar column side, high-temperature particle storage tank is between particle heat sink and the pre-storage tank of high-temperature particle.
7. Solar dynamic power system according to claim 1, it is characterized in that, described solar heat collector is groove type solar heat-collecting devcie, comprise at least one group of grooved parabolical mirror field, described particle heat sink is pipe type particle heat sink, and described pipe type particle heat sink is arranged on described grooved parabolical mirror field.
8. the Solar dynamic power system according to any one of Claims 1-4, is characterized in that, the article inlet of the pre-storage tank of described high-temperature particle is communicated with by gas piping with between oxygen-eliminating device.
9. the Solar dynamic power system according to any one of Claims 1-4, it is characterized in that, pipeline between described vapour condenser and oxygen-eliminating device arranges condensate pump, the pipeline between described oxygen-eliminating device and the water-supplying mouth of described superheated steam generator is set to water pump.
10. the Solar dynamic power system according to any one of Claims 1-4, it is characterized in that, described steam turbine is back pressure turbine, condensing steam turbine or extraction condensing turbine, and described steam turbine is the multistage turbine of single stage turbine or band reheating pipeline.
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| CN201420509729.7U CN204186543U (en) | 2014-09-05 | 2014-09-05 | A kind of Solar dynamic power system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838932A (en) * | 2017-09-12 | 2019-06-04 | 甘肃光热发电有限公司 | A kind of collecting system salt discharge device |
| CN110630457A (en) * | 2019-10-18 | 2019-12-31 | 常波 | Photo-thermal low-temperature power generation system and control method thereof |
| CN113323828A (en) * | 2021-06-11 | 2021-08-31 | 西安热工研究院有限公司 | Efficient particle heat storage comprehensive utilization system and method |
-
2014
- 2014-09-05 CN CN201420509729.7U patent/CN204186543U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838932A (en) * | 2017-09-12 | 2019-06-04 | 甘肃光热发电有限公司 | A kind of collecting system salt discharge device |
| CN109838932B (en) * | 2017-09-12 | 2023-10-20 | 甘肃光热发电有限公司 | Salt discharging device of heat collecting system |
| CN110630457A (en) * | 2019-10-18 | 2019-12-31 | 常波 | Photo-thermal low-temperature power generation system and control method thereof |
| CN113323828A (en) * | 2021-06-11 | 2021-08-31 | 西安热工研究院有限公司 | Efficient particle heat storage comprehensive utilization system and method |
| CN113323828B (en) * | 2021-06-11 | 2024-05-07 | 西安热工研究院有限公司 | Efficient particle heat storage comprehensive utilization system and method |
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